/*************************************************************************/ /* physics_server_2d_wrap_mt.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ /* "Software"), to deal in the Software without restriction, including */ /* without limitation the rights to use, copy, modify, merge, publish, */ /* distribute, sublicense, and/or sell copies of the Software, and to */ /* permit persons to whom the Software is furnished to do so, subject to */ /* the following conditions: */ /* */ /* The above copyright notice and this permission notice shall be */ /* included in all copies or substantial portions of the Software. */ /* */ /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /*************************************************************************/ #include "physics_server_2d_wrap_mt.h" #include "core/os/os.h" void PhysicsServer2DWrapMT::thread_exit() { exit = true; } void PhysicsServer2DWrapMT::thread_step(real_t p_delta) { physics_2d_server->step(p_delta); step_sem.post(); } void PhysicsServer2DWrapMT::_thread_callback(void *_instance) { PhysicsServer2DWrapMT *vsmt = reinterpret_cast<PhysicsServer2DWrapMT *>(_instance); vsmt->thread_loop(); } void PhysicsServer2DWrapMT::thread_loop() { server_thread = Thread::get_caller_id(); physics_2d_server->init(); exit = false; step_thread_up = true; while (!exit) { // flush commands one by one, until exit is requested command_queue.wait_and_flush_one(); } command_queue.flush_all(); // flush all physics_2d_server->finish(); } /* EVENT QUEUING */ void PhysicsServer2DWrapMT::step(real_t p_step) { if (create_thread) { command_queue.push(this, &PhysicsServer2DWrapMT::thread_step, p_step); } else { command_queue.flush_all(); //flush all pending from other threads physics_2d_server->step(p_step); } } void PhysicsServer2DWrapMT::sync() { if (thread) { if (first_frame) first_frame = false; else step_sem.wait(); //must not wait if a step was not issued } physics_2d_server->sync(); } void PhysicsServer2DWrapMT::flush_queries() { physics_2d_server->flush_queries(); } void PhysicsServer2DWrapMT::end_sync() { physics_2d_server->end_sync(); } void PhysicsServer2DWrapMT::init() { if (create_thread) { //OS::get_singleton()->release_rendering_thread(); thread = Thread::create(_thread_callback, this); while (!step_thread_up) { OS::get_singleton()->delay_usec(1000); } } else { physics_2d_server->init(); } } void PhysicsServer2DWrapMT::finish() { if (thread) { command_queue.push(this, &PhysicsServer2DWrapMT::thread_exit); Thread::wait_to_finish(thread); memdelete(thread); thread = nullptr; } else { physics_2d_server->finish(); } line_shape_free_cached_ids(); ray_shape_free_cached_ids(); segment_shape_free_cached_ids(); circle_shape_free_cached_ids(); rectangle_shape_free_cached_ids(); capsule_shape_free_cached_ids(); convex_polygon_shape_free_cached_ids(); concave_polygon_shape_free_cached_ids(); space_free_cached_ids(); area_free_cached_ids(); body_free_cached_ids(); } PhysicsServer2DWrapMT::PhysicsServer2DWrapMT(PhysicsServer2D *p_contained, bool p_create_thread) : command_queue(p_create_thread) { physics_2d_server = p_contained; create_thread = p_create_thread; thread = nullptr; step_pending = 0; step_thread_up = false; pool_max_size = GLOBAL_GET("memory/limits/multithreaded_server/rid_pool_prealloc"); if (!p_create_thread) { server_thread = Thread::get_caller_id(); } else { server_thread = 0; } main_thread = Thread::get_caller_id(); first_frame = true; } PhysicsServer2DWrapMT::~PhysicsServer2DWrapMT() { memdelete(physics_2d_server); //finish(); }